The length l meters of a metal rod at temperature `theta^(@)C` is given by `l=2 + 0.5theta + 0.4 theta^(2)`. Determine the rate of change of length with respect to temperature (i) where `theta = 100^(@)C`, (ii) when `theta = 20^(@)C`.

The ends of a metal rod are kept at temperature theta_(1) and theta_(2) with theta_(2) gt theta_(1) . At steady state the rate of flow of heat along the rod is directly proportional to

The ends of a metal rod are kept at temperature theta_(1) and theta_(2) with theta_(2) gt theta_(1) . At steady state the rate of flow of heat along the rod is directly proportional to

The ends of a metal rod are kept at temperatures theta_1 and theta_2 with theta_2gttheta_1 . The rate of flow of heat along the rod is directly proportional to

The ends of a metal rod are kept at temperatures theta_1 and theta_2 with theta_2gttheta_1 . The rate of flow of heat along the rod is directly proportional to

The natural length of a metallic root at 0^(@)C is l_(1) at theta^(@)C is l_(2) . The given lengths of the rod at theta^(@) is l_(3) , then:

The natural length of a metallic root at 0^(@)C is l_(1) at theta^(@)C is l_(2) . The given lengths of the rod at theta^(@) is l_(3) , then:

The thermo emf of a thermocouple is given by E=alpha(theta-theta_(g))+beta(theta^(2)-theta_(0)^(2)) Determine the neutral temperature and inversion temperature.

The thermo emf of a thermocouple is given by E=alpha(theta-theta_(g))+beta(theta^(2)-theta_(0)^(2)) Determine the neutral temperature and inversion temperature.

The co-efficient of thermal expansion of a rod is temperature dependent and is given by the formula alpha = aT , where a is a positive constant at T "in"^(@)C . if the length of the rod is l at temperature 0^(@)C , then the temperature at which the length will be 2l is

The co-efficient of thermal expansion of a rod is temperature dependent and is given by the formula alpha = aT , where a is a positive constant at T "in"^(@)C . if the length of the rod is l at temperature 0^(@)C , then the temperature at which the length will be 2l is